US20140342779A1

US20140342779A1 - Multi-card mobile phone and display method

Info

Publication number: US20140342779A1
Application number: US14/451,793
Authority: US
Inventors: Huijuan YU; Xiaoying He
Original assignee: Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Current assignee: Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Priority date: 2012-03-01
Filing date: 2014-08-05
Publication date: 2014-11-20
Also published as: WO2013127082A1; CN103748958A; CN103748958B; EP2822353A1; EP2822353B1; EP2822353A4

Abstract

The present invention provides a multi-card mobile phone, comprising: a detection unit which detects the number of mobile phone cards inserted into the multi-card mobile phone and transmits a detection result to a display unit; and the display unit which displays operation interface corresponding to the number of the inserted mobile phone cards according to the detection result. The technical solution according to the present invention can flexibly adjust interface layout and operation logic, only displays operation data related to a current mobile phone card which then will not be affected by operation data irrelevant to it, and then lowers the possibility of misoperation. The present invention also provides a displaying method.

Description

This is a continuation of International Application PCT/CN2012/071817, with an International Filing Date of Mar. 1, 2012, which is incorporated by reference.

FIELD OF THE INVENTION

The present invention involves the field of communication technologies, and specifically, to a multi-card mobile phone and a displaying method.

BACKGROUND OF THE INVENTION

Currently, during the use of a multi-card mobile phone, if multiple mobile phone cards are inserted into the mobile phone, for example, two mobile phone cards are inserted into a dual-card mobile phone, the mobile phone displays an interface of dual-card operation, the dual-card selection interface shown in FIG. 1 and the collaborative menu operation interface shown in FIG. 2, and if only one mobile phone card is inserted, the mobile phone still displays the interface of dual-card operation, that is, the interface layout of the mobile phone cannot be dynamically changed according to a current card insertion situation, so that the user will undergo complex operation steps and inconvenient use in the situation of a single card, and the operation interface is not simple, which would easily have the user affected by the operation items of other mobile phone cards and then render misoperation.
Therefore, a display technology is desired, which can prevent the user from being affected by invalid operation items and display more user-friendly operation interfaces that comply with actual use occasions.

SUMMARY OF THE INVENTION

In view of the above background art, one technical problem to be solved by the present invention is to provide a multi-card mobile phone, and another technical problem to be solved by the present invention is to provide a displaying method, which can dynamically adjust the layout of the operation interface according to the card insertion situation of the multi-card mobile phone.
According to an aspect of the present invention, a multi-card mobile phone is provided, comprising: a detection unit which detects the number of mobile phone cards inserted into the multi-card mobile phone and transmits a detection result to a display unit; and the display unit which displays operation interface corresponding to the number of the inserted mobile phone cards according to the detection result.
In the above technical solution, preferably, the multi-card mobile phone comprises a multi-card single-mode mobile phone and a multi-card multi-mode mobile phone, and when the multi-card mobile phone is a multi-card multi-mode mobile phone, the detection unit is further used to detect the types of the mobile phone cards inserted into the multi-card multi-mode mobile phone, and the display unit displays operation interface corresponding to the number and the types of the mobile phone cards inserted into the multi-card multi-mode mobile phone.
When the multi-card mobile phone is a multi-card multi-mode mobile phone, interface display rules and resources (for example, the operation menu items corresponding to the mobile phone card) corresponding to one mobile phone card and a corresponding type can be preset, interface display rules and resources corresponding to two mobile phone cards and corresponding types can be preset, interface display rules and resources corresponding to three mobile phone cards and corresponding types can be preset, and etc. When one mobile phone card is inserted, an operation interface (including functional items) corresponding to the one mobile phone card is shown according to the interface display rules and resources corresponding to one mobile phone card and a corresponding type, and when three mobile phone cards are inserted, operation interfaces (including operation menu items) corresponding to the three mobile phone cards are shown according to the interface display rules and resources corresponding to three mobile phone cards and corresponding types. Therefore, the operation interfaces can be adjusted dynamically according to the card insertion situation of the multi-card mobile phone.
Likewise, if the multi-card mobile phone is a multi-card single-mode mobile phone, interface display rules and resources corresponding to one mobile phone card are preset, interface display rules and resources corresponding to two mobile phone cards are preset, and it is unnecessary to consider the types of the mobile phone cards.
In the above technical solution, preferably, the detection unit is further used to further detect whether one or more of the multiple mobile phone cards are invalid upon detecting that the multi-card mobile phone has multiple mobile phone cards therein; and the display unit displays operation interface corresponding to valid mobile phone cards in the multiple mobile phone cards.
Therefore, if some mobile phone cards are damaged, only operation interface relevant to valid cards can be displayed, for example, two mobile phone cards are inserted into the multi-card mobile phone, operation interface relevant to the two mobile phone cards should have been displayed, while one of the mobile phone cards has been damaged, then the operation interface relevant to the remaining one valid mobile phone card is displayed, or, if only one mobile phone card is inserted into the multi-card mobile phone, the operation interface relevant to the one mobile phone card is displayed.
In the above technical solution, preferably, the detection unit is further used to further detect signal intensities of communication networks respectively corresponding to multiple mobile phone cards upon detecting that the multi-card mobile phone has the multiple mobile phone cards therein; and the display unit displays an operation interface corresponding to a mobile phone card corresponding to a communication network which signal intensity is larger than a preset threshold value.
It needs to be indicated that, when the multi-card mobile phone is a multi-card multi-mode mobile phone, a corresponding signal intensity preset threshold value can be set for the communication network of each communication mode, thus, for a tri-card dual-mode mobile phone, there can be two signal intensity threshold values. If the multi-card mobile phone is a multi-card single-mode mobile phone, one signal intensity threshold value can be set.
The intensities of the communication networks of the multiple mobile phone cards can be detected, for example, the mobile phone card with the strongest communication network can be set as a main card, the user does not need to select, then the operation is simple and the operation interface corresponding to one mobile phone card is displayed, invalid operation items are hidden automatically, and thus operation efficiency is improved.
In the above technical solution, preferably, the display unit can further comprise a storage subunit: when the multi-card mobile phone is a multi-card single-mode mobile phone, the storage subunit stores operation interface data corresponding to the number of the mobile phone cards that can be used by the multi-card mobile phone for the selective display of the display unit; and when the multi-card mobile phone is a multi-card multi-mode mobile phone, the storage subunit stores operation interface data corresponding to the number and the types of the mobile phone cards that can be used by the multi-card mobile phone for the selective display of the display unit.
In the above technical solution, preferably, the display unit can comprise: a switch subunit which receives user's selection instruction and switches displayed operation interfaces.
According to another aspect of the present invention, a displaying method is further provided, comprising following steps: detecting the number of mobile phone cards inserted into a multi-card mobile phone; and displaying operation interfaces corresponding to the number of the inserted mobile phone cards according to a detection result.
In the above technical solution, preferably, it can further comprise: the multi-card mobile phone comprises a multi-card single-mode mobile phone and a multi-card multi-mode mobile phone, and when the multi-card mobile phone is a multi-card multi-mode mobile phone, further detecting the types of the mobile phone cards inserted into the multi-card multi-mode mobile phone; and displaying operation interface corresponding to the number and the types of the mobile phone cards inserted into the multi-card multi-mode mobile phone.
In the above technical solution, preferably, it can further comprise: displaying operation interface corresponding to valid mobile phone cards in multiple mobile phone cards upon detecting that the multi-card mobile phone has multiple mobile phone cards inserted therein and one or more of the multiple mobile phone cards are invalid.
In the above technical solution, preferably, it can further comprise: further detecting signal intensities of communication networks respectively corresponding to multiple mobile phone cards upon detecting that the multi-card mobile phone has the multiple mobile phone cards therein, and displaying an operation interface corresponding to a mobile phone card corresponding to a communication network which signal intensity is larger than a preset threshold value.
In the above technical solution, preferably, it can further comprise: when the multi-card mobile phone is a multi-card single-mode mobile phone, presetting operation interface data corresponding to the number of the mobile phone cards that can be used by the multi-card mobile phone; and when the multi-card mobile phone is a multi-card multi-mode mobile phone, presetting operation interface data corresponding to the number and the types of the mobile phone cards that can be used by the multi-card mobile phone.
In the above technical solution, preferably, it can further comprise: receiving user's selection instruction and switching displayed operation interfaces.
The technical solution according to the present invention can dynamically adjust corresponding operation interface and automatically hide or combine the operation items of invalid cards according to the card insertion situation of the multi-card mobile phone, and during operation, the user does not need to make multiple selections and can quickly finish the operations, and then the possibility of misoperation is lowered while the operation efficiency is improved.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of a dual-card selection operation interface of a multi-card mobile phone into which two cards are inserted in the related art;

FIG. 2 is a schematic diagram of a collaborative menu operation interface of a multi-card mobile phone into which two cards are inserted in the related art;

FIG. 3 is a block diagram of a multi-card multi-standby terminal according to the embodiment of the present invention;

FIG. 4 is a schematic diagram of the selection operation interface of the multi-card mobile phone according to the embodiment of the present invention into which one card is inserted;

FIG. 5 is a schematic diagram of the collaborative menu operation interface of the multi-card mobile phone according to the embodiment of the present invention into which one card is inserted;

FIG. 6 is a flow chart of the displaying method according to the embodiment of the present invention; and

FIG. 7 is a flow chart of the displaying method according to the embodiment of the present invention.

DETAILED DESCRIPTION OF THE PRESENT INVENTION

To more clearly understand the above objects, features and advantages of the present invention, the present invention will be further detailed hereinafter in combination with the accompanying drawings and embodiments.
Many details are described hereinafter for fully understanding the present invention, however, the present invention can also be implemented by embodiments other than those described herein, thus, the present invention is not restricted to or limited by the following specific embodiments.
FIG. 3 is a block diagram of a multi-card multi-standby terminal according to the embodiment of the present invention.
As shown in FIG. 3, the multi-card mobile phone 100 according to the embodiment of the present invention comprises: a detection unit 102 which detects the number of mobile phone cards inserted into the multi-card mobile phone 100 and transmits the number and the types of the mobile phone cards as detected to a display unit 104; and the display unit 104 which displays operation interface corresponding to the number and the types of the inserted mobile phone cards according to the detection result.
For example, if there is one mobile phone card, operation interface data corresponding to the one mobile phone card and its type is acquired and displayed.
As shown in FIG. 4, when only one mobile phone card is inserted into the multi-card mobile phone according to the embodiment of the present invention, the dual-card selection interface as shown in FIG. 1 will not be displayed, while a single-card interface is displayed, and there are no excessive operation items. During specific operations, as shown in FIG. 5, the collaborative menu only displays operation items relevant to one mobile phone card, and the operation items of invalid cards are hidden automatically and only the operation items of the current valid card are maintained, thus, during the user's operation, the user does not need to select and can finish the operations quickly, and interference from invalid interface elements and the possibility of misoperation are lowered.
In the above technical solution, preferably, the multi-card mobile phone comprises a multi-card single-mode mobile phone and a multi-card multi-mode mobile phone, and when the multi-card mobile phone is a multi-card multi-mode mobile phone, the detection unit 102 is further used to detect the types (the types of the mobile phone cards, for example, can be a UIM card, a SIM card and a USIM card) of the mobile phone cards inserted into the multi-card multi-mode mobile phone, and the display unit 104 displays operation interface corresponding to the number and the types of the mobile phone cards inserted into the multi-card multi-mode mobile phone.
Please referring to FIG. 3 again, the display unit 104 can comprise a storage subunit 1042: when the multi-card mobile phone is a multi-card single-mode mobile phone, the storage subunit 1042 stores operation interface data corresponding to the number of the mobile phone cards that can be used by the multi-card mobile phone for the selective display of the display unit 104; and when the multi-card mobile phone is a multi-card multi-mode mobile phone, the storage subunit 1042 stores operation interface data corresponding to the number and the types of the mobile phone cards that can be used by the multi-card mobile phone for the selective display of the display unit 104.
When the multi-card mobile phone is a multi-card multi-mode mobile phone, interface display rules and resources (for example, the operation menu items corresponding to the mobile phone card) corresponding to one mobile phone card and a corresponding type can be preset, interface display rules and resources corresponding to two mobile phone cards and corresponding types can be preset, interface display rules and resources corresponding to three mobile phone cards and corresponding types can be preset, and etc. When one mobile phone card is inserted, an operation interface (including functional items) corresponding to the one mobile phone card is shown according to the interface display rules and resources corresponding to one mobile phone card and a corresponding type, and when three mobile phone cards are inserted, operation interfaces (including operation menu items) corresponding to the three mobile phone cards are shown according to the interface display rules and resources corresponding to three mobile phone cards and corresponding types. Therefore, the operation interface can be adjusted dynamically according to the card insertion situation of the multi-card mobile phone.
Likewise, if the multi-card mobile phone is a multi-card single-mode mobile phone, interface display rules and resources corresponding to one mobile phone card are preset, interface display rules and resources corresponding to two mobile phone cards are preset, and it is unnecessary to consider the types of the mobile phone cards.
In the above technical solution, preferably, the detection unit 102 is further used to further detect whether there are invalid mobile phone cards (the invalid mobile phone cards include a damaged mobile phone card, for example, the card is inserted into mobile phones of different modes or old mobile phones, as the card slot port voltage does not comply with the voltage applicable to the mobile phone card, and then the card is burned or damaged by human; a mobile phone card is burned automatically as a PUK code is input more than ten times after PIN locking; a mobile phone card cannot be correctly identified due to poor contact between the mobile phone card seat and the card) in the multiple mobile phone cards upon detecting that the multi-card mobile phone 102 has multiple mobile phone cards therein; and the display unit 104 displays operation interface corresponding to valid mobile phone cards in the multiple mobile phone cards.
Therefore, if some mobile phone cards are damaged, only operation interface relevant to valid cards can be displayed, for example, two mobile phone cards are inserted into the multi-card mobile phone, operation interface relevant to the two mobile phone cards should have been displayed, while one of the mobile phone cards has been damaged, then the operation interface relevant to the remaining one valid mobile phone card is displayed, or, if only one mobile phone card is inserted into the multi-card mobile phone, the operation interface relevant to the one mobile phone card is displayed.
In the above technical solution, preferably, the detection unit 102 is further used to further detect signal intensities of communication networks respectively corresponding to multiple mobile phone cards upon detecting that the multi-card mobile phone 100 has the multiple mobile phone cards therein, and selects the communication networks which signal intensities are larger than or equal to a preset threshold value; and the display unit 104 displays operation interfaces corresponding to corresponding mobile phone cards which signal intensities are larger than or equal to the preset threshold value.
It needs to be indicated that, when the multi-card mobile phone is a multi-card multi-mode mobile phone, a corresponding signal intensity preset threshold value can be set for the communication network of each communication mode, thus, for a tri-card dual-mode mobile phone, there can be two signal intensity threshold values. If the multi-card mobile phone is a multi-card single-mode mobile phone, one signal intensity threshold value can be set.
The intensities of the communication networks of the multiple mobile phone cards can be detected, for example, the mobile phone card with the strongest communication network can be set as a main card, the user does not need to select, then the operation is simple and the operation interface corresponding to one mobile phone card is displayed, invalid operation items are hidden automatically, and thus operation efficiency is improved.
In the above technical solution, preferably, the display unit 104 can comprise: a switch subunit 1044 which receives user's selection instruction and switches displayed operation interfaces.
Of course, when multiple cards are inserted, if the user needs to display the operation interface corresponding to the multiple cards, the currently displayed operation interface corresponding to a single card can be replaced with the operation interface corresponding to the multiple cards, and this complies with user's various needs and is applicable to more use occasions.
Herein, one skilled in the art should understand that the multi-card mobile phones in the above technical solutions comprise, but not limited to, a dual-card dual-standby mobile terminal, a tri-card tri-standby mobile terminal and a quad-card quad-standby mobile terminal.
FIG. 6 is a flow chart of the displaying method according to the embodiment of the present invention.
As shown in FIG. 6, the displaying method according to the embodiment of the present invention comprises: step 602, detecting the number of mobile phone cards inserted into a multi-card mobile phone; and step 604, displaying operation interface corresponding to the number of the inserted mobile phone cards according to a detection result.
For example, when there is one mobile phone card, operation interface data corresponding to the one mobile phone card is acquired and then displayed.
In the above technical solution, preferably, it can further comprise: the multi-card mobile phone comprises a multi-card single-mode mobile phone and a multi-card multi-mode mobile phone, and when the multi-card mobile phone is a multi-card multi-mode mobile phone, further detecting the types (the types of the mobile phone cards, for example, can be a UIM card, an SIM card and a USIM card) of the mobile phone cards inserted into the multi-card multi-mode mobile phone; and displaying operation interface corresponding to the number and the types of the mobile phone cards inserted into the multi-card multi-mode mobile phone.
In the above technical solution, preferably, it can further comprise: when the multi-card mobile phone is a multi-card single-mode mobile phone, presetting operation interface data corresponding to the number of the mobile phone cards that can be used by the multi-card mobile phone; and when the multi-card mobile phone is a multi-card multi-mode mobile phone, presetting operation interface data corresponding to the number and the types of the mobile phone cards that can be used by the multi-card mobile phone.
When the multi-card mobile phone is a multi-card multi-mode mobile phone, interface display rules and resources (for example, the operation menu items corresponding to the mobile phone card) corresponding to one mobile phone card and a corresponding type can be preset, interface display rules and resources corresponding to two mobile phone cards and corresponding types can be preset, interface display rules and resources corresponding to three mobile phone cards and corresponding types can be preset, and etc. When one mobile phone card is inserted, an operation interface (including functional items) corresponding to the one mobile phone card is shown according to the interface display rules and resources corresponding to one mobile phone card and a corresponding type, and when three mobile phone cards are inserted, operation interfaces (including operation menu items) corresponding to the three mobile phone cards are shown according to the interface rules and resources corresponding to three mobile phone cards. Therefore, the operation interfaces can be adjusted dynamically according to the card insertion situation of the multi-card mobile phone.
Likewise, if the multi-card mobile phone is a multi-card single-mode mobile phone, interface display rules and resources corresponding to one mobile phone card are preset, interface display rules and resources corresponding to two mobile phone cards are preset, and it is unnecessary to consider the types of the mobile phone cards.
In the above technical solution, preferably, step 602 can further comprise: displaying operation interface corresponding to valid mobile phone cards in multiple mobile phone cards upon detecting that the multi-card mobile phone has multiple mobile phone cards inserted therein and one or more of the multiple mobile phone cards are invalid.
In the above technical solution, preferably, step 602 can further comprise: further detecting signal intensities of communication networks respectively corresponding to multiple mobile phone cards upon detecting that the multi-card mobile phone has the multiple mobile phone cards therein, and displaying an operation interface corresponding to a mobile phone card corresponding to a communication network which signal intensity is larger than a preset threshold value.
It needs to be indicated that, when the multi-card mobile phone is a multi-card multi-mode mobile phone, a corresponding signal intensity threshold value can be set for the communication network of each communication mode, thus, for a tri-card dual-mode mobile phone, there can be two signal intensity threshold values. If the multi-card mobile phone is a multi-card single-mode mobile phone, one signal intensity threshold value can be set.
The intensities of the communication networks of the multiple mobile phone cards can be detected, for example, the mobile phone card with the strongest communication network can be set as a main card, the user does not need to select, then the operation is simple and the operation interface corresponding to one mobile phone card is displayed, invalid operation items are hidden automatically, and thus operation efficiency is improved.
In the above technical solution, preferably, step 602 can further comprise: receiving user's selection instruction and switching displayed operation interfaces.
Of course, when multiple cards are inserted, if the user needs to display the operation interface corresponding to the multiple cards, the currently displayed operation interface corresponding to a single card can be replaced with the operation interface corresponding to the multiple cards, and this complies with user's various needs and is applicable to more use occasions.
The above technical solutions can dynamically adjust corresponding operation interface and automatically hide or combine the operation items of invalid cards according to the card insertion situation of the multi-card mobile phone, and during operation, the user does not need to make multiple selections and can quickly finish the operations, and then the possibility of misoperation is lowered while the operation efficiency is improved.
The displaying method according to the present invention will be further detailed hereinafter in combination with FIG. 7.
The rules of multiple interface layouts are preset in a mobile phone (which can be a dual-card single-mode mobile phone in the present embodiment) and the relevant resources (for example, operation menu items) of different interface layouts are preset, when the user powers on and detects the network, the user's current card insertion situation is judged, different interface rules and resources are selected according to the card insertion situation, the interfaces are adjusted and switched dynamically, and thus an operation interface more complying with the current card insertion situation is formed.
As shown in FIG. 7, in step 702, when the mobile phone is powered on, the card insertion situation of the mobile phone is detected, the number of the mobile phone cards inserted into the mobile phone is judged, and when it is judged that there are two mobile phone cards inserted into the mobile phone, the flow enters step 706, and then enters step 704 upon judging that only one mobile phone card is inserted into the mobile phone.
In step 706, the operation interface and functional items corresponding to a dual-card state are displayed. In this situation, the dual-card mobile phone interface is displayed normally, the operation state in the dual-card interface keeps a current state, and during operation the user needs to select different networks, referring to FIGS. 1 and 2. In addition, a threshold value can be set to the signal intensities of the communication networks, when it is detected that the signal intensities of the communication networks of two cards are smaller than the threshold value, the corresponding operation interfaces are not displayed. If the mobile phone is a multi-card multi-mode mobile phone, the network of each communication mode corresponds to a threshold value, and only the operation interface of the communication network which signal intensity is larger than or equal to the corresponding threshold value is displayed.
In step 704, the operation interface and functional items corresponding to a single-card state are displayed. If only one card is inserted currently, all interface layouts relating to dual-card operation are automatically adjusted to the interface layouts of single-card operation, and the relevant operation items of invalid cards are all hidden or combined automatically (see FIGS. 4 and 5), and during operation the user does not need to select and then can finish the operation quickly.
The technical solutions according to the present invention can dynamically adjust interface layouts and operation logic according to the card insertion situation of the multi-card multi-standby mobile phone, improve user's operation efficiency, better use interface space and lower the possibility of misoperation.
Described above are merely preferred embodiments of the present invention and are not intended to limit the present invention. For one skilled in the art, the present invention may have various alterations and changes. Any alterations, equivalent substitutions, improvements and etc. made within the spirit and principle of the present invention, should be covered in the scope of protection of the present invention.

Claims

1. A multi-card mobile phone, comprising:

a detection unit which detects the number of mobile phone cards inserted into the multi-card mobile phone and transmits a detection result to a display unit; and

the display unit which displays operation interface corresponding to the number of the inserted mobile phone cards according to the detection result.

2. The multi-card mobile phone according to claim 1, wherein, the multi-card mobile phone comprises a multi-card single-mode mobile phone and a multi-card multi-mode mobile phone, and when the multi-card mobile phone is a multi-card multi-mode mobile phone, the detection unit is further used to detect the types of the mobile phone cards inserted into the multi-card multi-mode mobile phone, and the display unit displays operation interface corresponding to the number and the types of the mobile phone cards inserted into the multi-card multi-mode mobile phone.

3. The multi-card mobile phone according to claim 1, wherein, the detection unit is further used to further detect whether one or more of the multiple mobile phone cards are invalid upon detecting that the multi-card mobile phone has multiple mobile phone cards therein; and

the display unit displays operation interface corresponding to valid mobile phone cards in the multiple mobile phone cards.

4. The multi-card mobile phone according to claim I, wherein, the detection unit is further used to further detect signal intensities of communication networks respectively corresponding to multiple mobile phone cards upon detecting that the multi-card mobile phone has the multiple mobile phone cards therein; and

the display unit displays an operation interface corresponding to a mobile phone card corresponding to a communication network which signal intensity is larger than or equal to a preset threshold value.

5. The multi-card mobile phone according to claim 2, wherein, the display unit comprises a storage subunit:

when the multi-card mobile phone is a multi-card single-mode mobile phone, the storage subunit stores operation interface data corresponding to the number of the mobile phone cards that can be used by the multi-card mobile phone for the selective display of the display unit; and

when the multi-card mobile phone is a multi-card multi-mode mobile phone, the storage subunit stores operation interface data corresponding to the number and the types of the mobile phone cards that can be used by the multi-card mobile phone for the selective display of the display unit.

6. The multi-card mobile phone according to claim 1, wherein, the display unit comprises:

a switch subunit which receives user's selection instruction and switches displayed operation interfaces.

7. The multi-card mobile phone according to claim 2, wherein, the display unit comprises:

8. The multi-card mobile phone according to claim 3, wherein, the display unit comprises:

9. The multi-card mobile phone according to claim 4, wherein, the display unit comprises:

10. The multi-card mobile phone according to claim 5, wherein, the display unit comprises:

11. A displaying method, comprising following steps:

detecting the number of mobile phone cards inserted into a multi-card mobile phone; and

displaying operation interface corresponding to the number of the inserted mobile phone cards according to a detection result.

12. The displaying method according to claim 11, further comprising: the multi-card mobile phone comprises a multi-card single-mode mobile phone and a multi-card multi-mode mobile phone, and when the multi-card mobile phone is a multi-card multi-mode mobile phone, further detecting the types of the mobile phone cards inserted into the multi-card multi-mode mobile phone; and

displaying operation interface corresponding to the number and the types of the mobile phone cards inserted into the multi-card multi-mode mobile phone.

13. The displaying method according to claim 11, further comprising:

displaying operation interface corresponding to valid mobile phone cards in multiple mobile phone cards upon detecting that the multi-card mobile phone has multiple mobile phone cards inserted therein and one or more of the multiple mobile phone cards are invalid.

14. The displaying method according to claim 11, further comprising:

further detecting signal intensities of communication networks respectively corresponding to multiple mobile phone cards upon detecting that the multi-card mobile phone has the multiple mobile phone cards therein, and displaying an operation interface corresponding to a mobile phone card corresponding to a communication network which signal intensity is larger than or equal to a preset threshold value.

15. The displaying method according to claim 12, further comprising: when the multi-card mobile phone is a multi-card single-mode mobile phone, presetting operation interface data corresponding to the number of the mobile phone cards that can be used by the multi-card mobile phone; and

when the multi-card mobile phone is a multi-card multi-mode mobile phone, presetting operation interface data corresponding to the number and the types of the mobile phone cards that can be used by the multi-card mobile phone.

16. The displaying method according to claim 11, further comprising:

receiving user's selection instruction and switching displayed operation interfaces.

17. The displaying method according to claim 12, further comprising:

18. The displaying method according to claim 13, further comprising:

19. The displaying method according to claim 14, further comprising:

20. The displaying method according to claim 15, further comprising: